Chemistry
Flowers contain the neolignans 3,5′-diallyl-2′,4-dihydroxybiphenyl, 4,4′-diallyl-2,3′-dihydroxybiphenyl ether, 5,5′-diallyl-2,2′-dihydroxybiphenyl and 3,5′-diallyl-2′-hydroxy-4-methoxybiphenyl.
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